Window covering



FIG. 1 is a front perspective view of a window covering as drawn down;

FIG. 2 is a rear perspective view of the window covering as drawn down;

FIG. 3 is a front view of the window covering as drawn down;

FIG. 4 is a rear view of the window covering as drawn down;

FIG. 5 is a front view of the window covering as retracted;

FIG. 6 is a rear view of the window covering as retracted;

FIG. 7 is a left side elevation view of the window covering as drawndown, the right side of which is a mirror image thereof; and,

FIG. 8 is a left side elevation view of the window covering asretracted, the right side of which is a mirror image thereof.

The broken lines in the drawings represent unclaimed environmentalmatter.

The ornamental design for a window covering, as shown and described.